參數(shù)資料
型號： STLC5048
廠商： 意法半導體
元件分類： Codec
英文描述： FULLY PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
中文描述： 完全可編程四通道解碼器和過濾器
文件頁數(shù)： 36/45頁
文件大?。?/td> 371K
代理商： STLC5048
STLC5048
36/45
ELECTRICAL CHARACTERISTICS
(continued)
TRANSMIT TRANSFER CHARACTERISTICS
(all tests are performed in absolute gain condition (TXG = GTXn = 0dB) unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Absolute level at 0 dBm0 are:
TXG = 0dB, GTXn = 0dB
60
mVrms
GXA
Transmit gain Absolute accuracy
-0.15
0.15
dB
GXAG
Transmit gain variation with programmed
gain (within 3 dB from max dig. level)
-0.2
0.2
dB
GFX
Gain variation with frequency (relative to
gain at 1004Hz); 0dBm0 input signal
50 Hz
60Hz
200Hz
300-3000Hz
3400Hz
4000Hz
4600Hz and above
-1.8
-0.15
-0.7
-20
-20
0
0.15
0
-14.0
-32.0
dB
GAXT
Gain variation with temperature
-0.10
0.10
dB
GAXE
Gain variation with Supplies +/- 5%
0dBm0 Input Signal
-0.05
0.05
dB
GTX
Gain Tracking with Tone (1004Hz Mu
Law, 820Hz A Law)
(1)
(1) VFXI=106mVrms, TXG=+3.52dB, GTX=-8.308dB (levels and gain condition eqivalent to 0dBr with Zadm = 600 Ohm on the application)
(2) TXG=+3.52dB, GTX=-8.308dB (gain condition eqivalent to 0dBr with Zadm = 600 Ohm on the application)
(3)
The max value includes 125
μ
sec for the time slot synchronization
GSX = 3 to -40dBm0
GSX = -40 to -50dBm0
GSX = -50 to -55dBm0
-0.2
-0.4
-1.2
0.2
0.4
1.2
dB
QDX
Quantization Distortion with Tone
(1004Hz Mu Law, 820Hz ALaw)
VFXI = +3dbm0
VFXI = 0 to -30dBm0
VFXI = -40 dBm0
VFXI = -50 to -55 dBm0
33
36
30
15
dB
NCT
Transmit Noise C Message Weighted
(Mu and A Law)
12
dBrnCo
NPT
Transmit Noise Psophometric Weighted
@ 0dBr, Zadm=600Ohm
(2)
-68
dBm0p
DAX
Absolute Delay
(3)
B = 0, Z = 0, X = R = 1
462
587
μ
S
DPXM
Single Frequency Distortion
(Mu Law 0dBm0 Sinewave @ 1004Hz)
-46
dB
DPXA
Single Frequency Distortion
(A Law 0dBm0 Sinewave @ 820Hz)
-46
dB
GSPX
Out of Band Spurious Noise
61mVrms at VFXI
4200Hz to 72kHz
-39
dBm0
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